5 IN to 4-1/2 IN Reducer: This 3-1/4 IN long coupling is designed to connect to tubes with a 5 IN and 4-1/2 IN diameter. It's commonly used on aFe POWER cold air intake systems, but can be used for a variety of projects.Flexible Bellows Silicone: Its bellows design is extremely flexible, making it easy to install, even when dealing with misaligned tubes. It allows for ample expansion, movement and vibration in-between two hard pipes.Stainless Steel Clamps: Two corrosion-resistant stainless-steel worm clamps (#072 & #080) are included, providing a secure seal for virtually any application.Fitment Note: Not for use on pressurized side of supercharged or turbocharged applications.Direct Replacement for P/N 05-01457.

Product Features:

• (5 IN ID to 4-1/2 IN ID x 3-1/4 IN L) Straight Reducing Bellow-Coupler - Black
• 100% Silicone Construction for Long Lasting Durability
• Commonly Used on aFe POWER Intakes
• Allows for Expansion, Movement, and Vibration